<div id="chat-block">
  <fieldset id="roomfieldset">
    <legend>Users in room:</legend>
    <div id="roomusers">
    </div>
  </fieldset>
  <form action="javascript:sendChat()">
    <div>
      <input type="text" name="chattext" id="edit-chattext" />
      <input type="submit" value="Send" />
    </div>
  </form>
  <div id="chats">
  </div>
</div>